Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    28-02-2021 07:08

General

  • Target

    07ac68fef8d90307874918f85d499b48ea2007b51f0bd404b5a35ba97a6c7dd8.exe

  • Size

    78KB

  • MD5

    ec1f806b2ca57c3c03be303890c6fd65

  • SHA1

    7d48e0cb19d60dfe2a3a04aef63c57482a024c97

  • SHA256

    07ac68fef8d90307874918f85d499b48ea2007b51f0bd404b5a35ba97a6c7dd8

  • SHA512

    78d31f7738d47a65952ee6315f4a3ab25f35d47eed4b4832fbfe890c1b286dca1ae42dc9721b5ffa6a0ff3c0576bf621964d384d977b2851433e20538b57f0d6

Malware Config

Signatures

  • MetamorpherRAT

    Metamorpherrat is a hacking tool that has been around for a while since 2013.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07ac68fef8d90307874918f85d499b48ea2007b51f0bd404b5a35ba97a6c7dd8.exe
    "C:\Users\Admin\AppData\Local\Temp\07ac68fef8d90307874918f85d499b48ea2007b51f0bd404b5a35ba97a6c7dd8.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\smhk2iid.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2E49.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc5573FE4A52444FFBB16DCE4035DE28F1.TMP"
        3⤵
          PID:3676
      • C:\Users\Admin\AppData\Local\Temp\tmp2D11.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp2D11.tmp.exe" C:\Users\Admin\AppData\Local\Temp\07ac68fef8d90307874918f85d499b48ea2007b51f0bd404b5a35ba97a6c7dd8.exe
        2⤵
        • Executes dropped EXE
        • Deletes itself
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:708

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES2E49.tmp
      MD5

      c09e203206ba845940382aeffc897118

      SHA1

      cf026b3f1981684991a4519565d34e7b42d887a4

      SHA256

      10e1262ee5aa72d5f21358764cfcdc9c5f35fc294805148715110e5adc48a1ad

      SHA512

      246128887850e6d55ce9789d1a78741a8b0d8798633ccebbe1119594abf8afcdb8d27bb93c7cd942300fe99175b20a3862bc731af38148f96af8993b229a1f7f

    • C:\Users\Admin\AppData\Local\Temp\smhk2iid.0.vb
      MD5

      f034b63bf17fa1090878e95a1032f40e

      SHA1

      54e1461012d708625730172a44a77147309929e9

      SHA256

      e72f4d04bae919618969bb1e91a0eeefcf250dc4da3691b37984753698580689

      SHA512

      331dd62c779b4ae69f4c4a180ed3233f182922c1cd3eb808c0fdd9c9e08d58fc8aec4ad6d26e799e1e7f6098ec5cc89c458e561ca3fb5ea9db455e67b9d69dee

    • C:\Users\Admin\AppData\Local\Temp\smhk2iid.cmdline
      MD5

      54e1a05dfb5f8dbb935f1bba9e01db04

      SHA1

      7d144d1b3bf1e2070fe941374bedf90259c08289

      SHA256

      ab2a5f4ec5c29c03f0da65258c4a6f504381cc99e35226afa4b18ce5e83bdcba

      SHA512

      571eb5e790485984bc481fe5e9acfe62b0ae5408e2bf605a6fa719b01a2352b0ab2f4860d8cbe90895f222c3c537acddabdb2f06e807b9c4712f62d713d42d5b

    • C:\Users\Admin\AppData\Local\Temp\tmp2D11.tmp.exe
      MD5

      8ff924d3f855014eacbeb1c2aec2b6e1

      SHA1

      3e785481ab8c5baf634b2b7a5dcb5b9a2b4cea5f

      SHA256

      661d9d5ee97a3cb8f55d29e78c154bfda41907ea11f70719bda3e1da11337ae8

      SHA512

      eeb7268c2c69e380ee30bbaa4f162da4fd9fd6662b2e66db5f738fba2b0c6dc9e998d2bc5a502c5b9573bd436b7abdd70440ce666d41b2e0f377722bfca695cf

    • C:\Users\Admin\AppData\Local\Temp\tmp2D11.tmp.exe
      MD5

      8ff924d3f855014eacbeb1c2aec2b6e1

      SHA1

      3e785481ab8c5baf634b2b7a5dcb5b9a2b4cea5f

      SHA256

      661d9d5ee97a3cb8f55d29e78c154bfda41907ea11f70719bda3e1da11337ae8

      SHA512

      eeb7268c2c69e380ee30bbaa4f162da4fd9fd6662b2e66db5f738fba2b0c6dc9e998d2bc5a502c5b9573bd436b7abdd70440ce666d41b2e0f377722bfca695cf

    • C:\Users\Admin\AppData\Local\Temp\vbc5573FE4A52444FFBB16DCE4035DE28F1.TMP
      MD5

      2f454a42c9e2b76ecae9f901856bf246

      SHA1

      2c17770304e8104320d29d0fe768986309464e82

      SHA256

      1ecc8e3c958ebe0e654c1590c6947e4a0ce20ec97144c8f3292408b10ea4c5c9

      SHA512

      8d44d2eeaad937bd3ec4078a31ed7fd818d3f840dd9bffc7d2ec964207597e1a7c07fcb8a1e6123cda722357a2fce02b40892a41de44e456d0fcc113f34a786d

    • C:\Users\Admin\AppData\Local\Temp\zCom.resources
      MD5

      097dd7d3902f824a3960ad33401b539f

      SHA1

      4e5c80de6a0886a8b02592a0c980b2bc2d9a4a8f

      SHA256

      e2eb52524ddfed5e52a54484b3fecdc9ebe24fb141d1445d37c99c0ab615df4f

      SHA512

      bb77c3f7b9b8c461b149f540a0dab99fdde474484b046d663228d8c0f1b6a20b72892643935069dd74134c8ab8e8f26b6badc210a6929a737541b9861007fbe4

    • memory/708-12-0x0000000000000000-mapping.dmp
    • memory/708-14-0x0000000002F20000-0x0000000002F21000-memory.dmp
      Filesize

      4KB

    • memory/708-15-0x0000000002F23000-0x0000000002F25000-memory.dmp
      Filesize

      8KB

    • memory/992-11-0x0000000002350000-0x0000000002351000-memory.dmp
      Filesize

      4KB

    • memory/992-3-0x0000000000000000-mapping.dmp
    • memory/3676-7-0x0000000000000000-mapping.dmp
    • memory/4684-2-0x0000000002720000-0x0000000002721000-memory.dmp
      Filesize

      4KB